About: http://webisa.webdatacommons.org/358544976

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Validity refers to whether a study measures or examines what it claims to measure or examine.
http://www.w3.org/ns/prov#wasQuotedFrom	holah.co.uk